\begin{table}
\caption{Simulation results for SFEs (first column) in Northeast China}
\label{sr}
\begin{tabular}{lrrrrrrr}
\toprule
SFE & year & x & gamma & xs & gammas & swl_df \\
\midrule
Heilongjiang Dahailin & 1995 & 33,709 & 46.85\% & 18,017 & 0.56\% & 9,409 \\
Heilongjiang Dahailin & 2000 & 60,675 & 27.73\% & 43,949 & 0.23\% & 9,857 \\
Heilongjiang Dahailin & 2008 & 39,989 & 51.47\% & 19,506 & 0.51\% & 9,449 \\
Heilongjiang Hailin & 2000 & 21,033 & 65.98\% & 7,256 & 1.38\% & 7,100 \\
Heilongjiang Hailin & 2004 & 15,032 & 76.72\% & 3,600 & 2.78\% & 5,369 \\
Heilongjiang Hailin & 2008 & 11,020 & 99.98\% & 102 & 98.24\% & 4,167 \\
Heilongjiang Hebei & 2000 & 40,870 & 60.03\% & 16,435 & 0.61\% & 13,526 \\
Heilongjiang Hebei & 2004 & 21,415 & 96.17\% & 920 & 10.87\% & 9,686 \\
Heilongjiang Hebei & 2008 & 118,360 & 22.60\% & 91,714 & 0.11\% & 13,967 \\
Heilongjiang Langxiang & 1990 & 58,212 & 62.37\% & 22,006 & 0.45\% & 41,486 \\
Heilongjiang Langxiang & 2000 & 125,355 & 26.49\% & 92,245 & 0.11\% & 20,998 \\
Heilongjiang Langxiang & 2004 & 138,277 & 20.16\% & 110,503 & 0.09\% & 17,008 \\
Heilongjiang Qinghe & 1990 & 27,310 & 71.58\% & 7,862 & 1.27\% & 20,483 \\
Heilongjiang Qinghe & 1995 & 40,729 & 56.60\% & 17,775 & 0.56\% & 13,923 \\
Heilongjiang Qinghe & 2000 & 19,572 & 83.62\% & 3,305 & 3.03\% & 8,164 \\
Heilongjiang Qinghe & 2004 & 21,059 & 74.05\% & 5,564 & 1.80\% & 7,546 \\
Heilongjiang Qinghe & 2008 & 82,476 & 23.18\% & 63,455 & 0.16\% & 9,613 \\
Heilongjiang Zhanhe & 1995 & 93,119 & 63.89\% & 33,724 & 0.30\% & 38,887 \\
Heilongjiang Zhanhe & 2000 & 151,843 & 29.37\% & 107,349 & 0.09\% & 28,714 \\
Heilongjiang Zhanhe & 2008 & 19,713 & 99.98\% & 103 & 97.12\% & 7,923 \\
Jilin Linjiang & 2000 & 165,179 & 28.93\% & 117,485 & 0.09\% & 31,048 \\
Jilin Wangou & 1995 & 47,598 & 53.12\% & 22,414 & 0.45\% & 15,560 \\
Jilin Dunhua & 2000 & 155,646 & 24.19\% & 118,098 & 0.08\% & 24,367 \\
Jilin Dunhua & 2004 & 179,327 & 19.12\% & 145,142 & 0.07\% & 21,499 \\
Jilin Dunhua & 2008 & 177,074 & 14.57\% & 151,373 & 0.07\% & 14,088 \\
Jilin Tianqiaoling & 1995 & 61,440 & 46.79\% & 32,793 & 0.30\% & 18,243 \\
Jilin Tianqiaoling & 2000 & 61,589 & 31.22\% & 42,462 & 0.24\% & 11,265 \\
Jilin Tianqiaoling & 2004 & 64,073 & 29.04\% & 45,567 & 0.22\% & 10,438 \\
Jilin Tianqiaoling & 2008 & 30,420 & 48.43\% & 15,787 & 0.63\% & 6,583 \\
Inner Mongolia Aershan & 1990 & 91,372 & 51.42\% & 44,487 & 0.22\% & 56,709 \\
Inner Mongolia Aershan & 1995 & 54,996 & 51.51\% & 26,767 & 0.37\% & 17,716 \\
Inner Mongolia Aershan & 2000 & 91,879 & 31.03\% & 63,471 & 0.16\% & 17,416 \\
Inner Mongolia Genhe & 2004 & 267,367 & 22.46\% & 207,413 & 0.05\% & 39,166 \\
\bottomrule
\end{tabular}
\end{table}
